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Device for reducing harmonics in three-phase poly-wire power...

Electricity: power supply or regulation systems – Including a transformer or an inductor – Polyphase or plural transformers
Reexamination Certificate

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Device for supplying power to measuring sensors and...

Electricity: power supply or regulation systems – Including a transformer or an inductor – Polyphase or plural transformers
Reexamination Certificate

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Device for varying an electrode voltage for a cathode-ray tube

Electricity: power supply or regulation systems – Including a transformer or an inductor – Potential transformer
Patent

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Dielectric transformer

Electricity: power supply or regulation systems – Including a transformer or an inductor – Potential transformer
Patent

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Differential transformer correction by compensation

Electricity: power supply or regulation systems – Including a transformer or an inductor – With compensation
Patent

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Dual coil super conducting apparatus for storing electrical ener

Electricity: power supply or regulation systems – Including a transformer or an inductor – Superconductive
Patent

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Dual-rated current transformer circuit having at least two...

Electricity: power supply or regulation systems – Including a transformer or an inductor – Current transformer
Reexamination Certificate

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